[Bug 805154] Re: gdm-simple-slave crashed with SIGSEGV in _nss_compat_getpwnam_r()

[Sebastien Bacher]

seems a bug in the recent gdm update:

home_dir_using_ecryptfs (const gchar *username)
...
        info = getpwnam (username);

that call is done with a NULL username


** Visibility changed to: Public

** Package changed: eglibc (Ubuntu) => gdm (Ubuntu)

** Changed in: gdm (Ubuntu)
     Assignee: (unassigned) => Robert Ancell (robert-ancell)

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Title:
  gdm-simple-slave crashed with SIGSEGV in _nss_compat_getpwnam_r()

Status in “gdm” package in Ubuntu:
  New

Bug description:
  Chrash happend while trying to change a desktop-icon. Searching the
  icon in a hidden folder ".xxxx" in the user directory.

  ProblemType: Crash
  DistroRelease: Ubuntu 11.10
  Package: gdm 3.0.4-0ubuntu3
  ProcVersionSignature: Ubuntu 3.0-2.3-generic-pae 3.0.0-rc4
  Uname: Linux 3.0-2-generic-pae i686
  NonfreeKernelModules: fglrx
  Architecture: i386
  Date: Sun Jul  3 01:25:08 2011
  ExecutablePath: /usr/lib/gdm/gdm-simple-slave
  InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Alpha i386 (20110531.1)
  ProcCmdline: /usr/lib/gdm/gdm-simple-slave --display-id /org/gnome/DisplayManager/Display2
  ProcEnviron:
   LANGUAGE=de_AT:de
   PATH=(custom, no user)
   LANG=de_AT.UTF-8
  SegvAnalysis:
   Segfault happened at: 0xb77405b7 <_nss_compat_getpwnam_r+55>:	movzbl (%edx),%eax
   PC (0xb77405b7) ok
   source "(%edx)" (0x00000000) not located in a known VMA region (needed readable region)!
   destination "%eax" ok
  SegvReason: reading NULL VMA
  Signal: 11
  SourcePackage: gdm
  StacktraceTop:
   _nss_compat_getpwnam_r () from /lib/i386-linux-gnu/libnss_compat.so.2
   getpwnam_r () from /lib/i386-linux-gnu/libc.so.6
   getpwnam () from /lib/i386-linux-gnu/libc.so.6
   ?? ()
   ?? ()
  Title: gdm-simple-slave crashed with SIGSEGV in _nss_compat_getpwnam_r()
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups:

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